Improvement in chimneys



PATENT OFFICE.

SETH HOPKINS, OF NAPOLEON, AOHIO.

IMPROVEMENT IN CHIMNEYS.

Specification forming part of Letters Patent No. 115,961, dated June 13, 1871.

To all whom it may concern:

Be it known that I, SETE HoPKrNs, of Na poleon, in the county of Henry and State of .0hio, have invented a new and valuable Improvement in Chimneys; and I do hereby declare that the following is a full, clear, and exact description of the construction and operation of the same, reference being had to the annexed drawing making a part of this specication, and to the letters and gures of reference marked thereon.

Figure 1 of the drawing is a representation of my invention in perspective. Fig. 2 is a perspective view of one section. Figs. 3 and 4 are details. l

' My invention relates to chimneys; land con- -sists in forming them in sections or rings superposed uponone another7 and keyed together in such'a manner as to prevent them from becoming separated.

The letter A of the drawing designates a section of my chimney. It may be rectangular, circular, or of any other form in horizontal section, and is usually made of cast-iron or clay. Both the upper and lower edges of each section are provided with the double dovetail notches c o, so arranged that they will form seats for the keys B B of similar form. The lower section of the chimney may be fashioned into a fire-place, and may rest upon a cast-iron hearth or npon one formed of brick. The form In testimony that I claim the above I have hereunto subscribed my name in the presence of two witnesses.

SETH HOPKINS.

Witnesses:

A. H. TYLER, HENRY SEELING. 

